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Heat gain calculation

Which lighting produces a 654.72 Btu/hr heat gain?
A. 4x 40 watt fluorescent bulbs
B. 2 x 75 watt incandescent
C. 12 x 12 watt LEDs

Answer(1 watt = 3.41 Btu/hr) A. 4x40 watts x 1.2 (for ballast) x 3.41 Btu/hr

ARE 4.0 exam prep: BS

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